1. Key Laboratory of Photovoltaic Technique Henan University Kaifeng 475004 P. R. China
2. Heilongjiang Industrial Hemp Processing Technology Innovation Center College of Chemistry and Chemical Engineering Qiqihar University Qiqihar 161006 P. R. China
3. MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems CQU-NUS Renewable Energy Materials & Devices Joint Laboratory School of Energy & Power Engineering Chongqing University Chongqing 400044 P. R. China
4. School of Chemistry and Chemical Engineering Xi'an University of Architecture and Technology Xi'an 710055 P. R. China